What is the cheapest airline that flies from San Diego to Barcelona?

British Airways, Iberia, and United Airlines are the most popular carriers operating from San Diego to Barcelona

What airlines fly to Barcelona?

British Airways, United Airlines and American Airlines are the top three most popular airlines that fly to Barcelona from San Diego according to our data. British Airways is the first choice among our users, with 36% of people opting to fly with this airline when traveling to Barcelona. Keep in mind that there are 8 different airlines that fly to Barcelona on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from San Diego Airport to Barcelona?

Prices for flights from San Diego Airport to Barcelona are refreshed on a daily basis.

How many operators does momondo search for flights from San Diego Airport to Barcelona?

The number of operators available for flights from San Diego Airport to Barcelona is 8 as of November 2025.

How old do you have to be to fly from San Diego Airport to Barcelona?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Diego Airport to Barcelona.

What documentation or ID do you need to fly to Barcelona?

The required travel and health documents for your Barcelona trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Barcelona. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$263 Cheap Flights from San Diego to Barcelona in 2025/26

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Find the cheapest flights from San Diego to Barcelona

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

10:00 am - 8:55 amSAN-BCN

37h 55m2 stops

7:00 pm - 10:55 pmBCN-SAN

36h 55m2 stops

$532Scandinavian Airlines

Find Deal

Fri, Apr 17 - Sun, Apr 26

2:16 pm - 1:10 pmSAN-BCN

13h 54m1 stop

6:20 pm - 3:45 pmBCN-SAN

30h 25m1 stop

$533Lufthansa

Find Deal

Mon, Nov 24 - Tue, Dec 2

5:35 pm - 5:35 pmSAN-BCN

15h 00m1 stop

10:30 am - 8:33 pmBCN-SAN

19h 03m1 stop

$536United Airlines

Find Deal

Fri, Nov 28 - Tue, Dec 9

5:35 pm - 5:35 pmSAN-BCN

15h 00m1 stop

6:50 am - 8:33 pmBCN-SAN

22h 43m2 stops

$538United Airlines

Find Deal

Fri, Nov 28 - Tue, Dec 9

4:10 pm - 5:35 pmSAN-BCN

16h 25m2 stops

11:00 am - 8:45 pmBCN-SAN

18h 45m2 stops

$545United Airlines

Find Deal

Fri, Nov 28 - Tue, Dec 9

7:50 am - 2:00 pmSAN-BCN

21h 10m2 stops

10:15 am - 11:58 pmBCN-SAN

22h 43m1 stop

$553Delta

Find Deal

Fri, Nov 28 - Sun, Dec 14

6:00 pm - 6:25 pmSAN-BCN

15h 25m1 stop

10:40 am - 8:27 pmBCN-SAN

18h 47m1 stop

$626American Airlines

Find Deal

Tue, Feb 17 - Sat, Feb 21

6:00 pm - 10:30 pmSAN-BCN

19h 30m1 stop

10:40 am - 8:27 pmBCN-SAN

18h 47m1 stop

$627British Airways

Find Deal

Tue, Feb 17 - Sat, Feb 21

6:20 am - 9:00 amSAN-BCN

17h 40m1 stop

10:40 am - 8:41 pmBCN-SAN

19h 01m1 stop

$644Iberia

Find Deal

Mon, Dec 29 - Tue, Jan 13

6:00 pm - 5:55 pmSAN-BCN

14h 55m1 stop

10:10 am - 4:05 pmBCN-SAN

14h 55m1 stop

$668British Airways

Find Deal

Mon, Feb 16 - Sun, Feb 22

KLM flights from San Diego to Barcelona

Our best KLM deals on San Diego to Barcelona flight tickets

KLM

Jan 13

SAN6:30 amSan Diego

17h 10m

1 stop

BCN8:40 amBarcelona-El Prat

Jan 22

BCN10:15 amBarcelona-El Prat

19h 09m

1 stop

SAN8:24 pmSan Diego

$559

Find similar

KLM

Feb 16

SAN7:00 amSan Diego

16h 00m

1 stop

BCN8:00 amBarcelona-El Prat

Feb 28

BCN10:55 amBarcelona-El Prat

16h 58m

1 stop

SAN6:53 pmSan Diego

$576

Find similar

KLM

Dec 14

SAN8:00 amSan Diego

15h 40m

1 stop

BCN8:40 amBarcelona-El Prat

Dec 24

BCN10:55 amBarcelona-El Prat

19h 01m

1 stop

SAN8:56 pmSan Diego

$589

Find similar

British Airways flights from San Diego to Barcelona

Our best British Airways deals on San Diego to Barcelona flight tickets

British Airways

Feb 17

SAN6:00 pmSan Diego

19h 30m

1 stop

BCN10:30 pmBarcelona-El Prat

Feb 21

BCN10:40 amBarcelona-El Prat

18h 47m

1 stop

SAN8:27 pmSan Diego

$627

Find similar

British Airways

Feb 16

SAN6:00 pmSan Diego

14h 55m

1 stop

BCN5:55 pmBarcelona-El Prat

Feb 22

BCN10:10 amBarcelona-El Prat

14h 55m

1 stop

SAN4:05 pmSan Diego

$668

Find similar

British Airways

Apr 29

SAN7:40 pmSan Diego

15h 50m

1 stop

BCN8:30 pmBarcelona-El Prat

May 6

BCN7:40 amBarcelona-El Prat

19h 10m

1 stop

SAN5:50 pmSan Diego

$674

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Fri 4/17

10:00 am-8:55 am

2 stops37h 55m

Barcelona-El Prat

Sun 4/26

7:00 pm-10:55 pm

2 stops36h 55m

$532

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Mon 11/24

2:16 pm-1:10 pm

1 stop13h 54m

Barcelona-El Prat

Tue 12/2

6:20 pm-3:45 pm

1 stop30h 25m

$533

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Fri 11/28

5:35 pm-5:35 pm

1 stop15h 00m

Barcelona-El Prat

Tue 12/9

10:30 am-8:33 pm

1 stop19h 03m

$536

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Fri 11/28

5:35 pm-5:35 pm

1 stop15h 00m

Barcelona-El Prat

Tue 12/9

6:50 am-8:33 pm

2 stops22h 43m

$538

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Fri 11/28

4:10 pm-5:35 pm

2 stops16h 25m

Barcelona-El Prat

Tue 12/9

11:00 am-8:45 pm

2 stops18h 45m

$545

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Fri 11/28

7:50 am-2:00 pm

2 stops21h 10m

Barcelona-El Prat

Sun 12/14

10:15 am-11:58 pm

1 stop22h 43m

$553

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Tue 2/17

6:00 pm-6:25 pm

1 stop15h 25m

Barcelona-El Prat

Sat 2/21

10:40 am-8:27 pm

1 stop18h 47m

$626

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Tue 2/17

6:00 pm-10:30 pm

1 stop19h 30m

Barcelona-El Prat

Sat 2/21

10:40 am-8:27 pm

1 stop18h 47m

$627

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Mon 12/29

6:20 am-9:00 am

1 stop17h 40m

Barcelona-El Prat

Tue 1/13

10:40 am-8:41 pm

1 stop19h 01m

$644

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Mon 2/16

6:00 pm-5:55 pm

1 stop14h 55m

Barcelona-El Prat

Sun 2/22

10:10 am-4:05 pm

1 stop14h 55m

$668

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from San Diego to Barcelona

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Barcelona?

The month of November is, on average, the cheapest month to fly to Barcelona from San Diego, with most prices found around $650. If you don’t want to visit Barcelona in November, then you should wait until January to fly from San Diego, when ticket prices are also cheap, with an average price of $700.

What is the cheapest day to depart on your flight to Barcelona?

The cheapest day to depart from San Diego to Barcelona is on a Wednesday when prices can be found for as low as $782. On the other hand, Thursday is the most expensive day to depart from San Diego because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,006.

What is the cheapest time of day to depart on your flight to Barcelona?

In the afternoon is the cheapest time of day to fly from San Diego to Barcelona when you can find flight prices for as low as $850. Flying to Barcelona in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $939 on average. Flights to Barcelona from San Diego in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to Barcelona?

You are more likely to see cheaper flights to Barcelona from San Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to Barcelona for around $884 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Barcelona from San Diego for as low as $743 on momondo.

Cheap San Diego to Barcelona flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Diego to Barcelona

Direct flights	None

There are no direct flights from San Diego to Barcelona. There are no popular flight routes from San Diego to Barcelona.

Search flight deals

How far is San Diego to Barcelona by plane?
The distance between San Diego and Barcelona is about 6024.0 mi. A reasonable flight in good conditions will take 13h 54m.
When did momondo last update prices for flights from San Diego Airport to Barcelona?
Prices for flights from San Diego Airport to Barcelona are refreshed on a daily basis.
How many operators does momondo search for flights from San Diego Airport to Barcelona?
The number of operators available for flights from San Diego Airport to Barcelona is 8 as of November 2025.
How old do you have to be to fly from San Diego Airport to Barcelona?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Diego Airport to Barcelona.
What documentation or ID do you need to fly to Barcelona?
The required travel and health documents for your Barcelona trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Barcelona. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from San Diego to Barcelona

Compare and see reviews for airlines that fly from San Diego to Barcelona with momondo

Airline	Rating	Free Cancellation	Price
KLM	PriceFrom $513	Free Cancellation	Rating 7.7 1,404 reviews	Search KLM flights
Air Canada	PriceFrom $528	Free Cancellation	Rating 7.1 10,394 reviews	Search Air Canada flights
Delta	PriceFrom $562	Free Cancellation	Rating 7.9 8,001 reviews	Search Delta flights
Lufthansa	PriceFrom $563	Free Cancellation	Rating 6.8 7,544 reviews	Search Lufthansa flights
Iberia	PriceFrom $573	Free Cancellation	Rating 7.0 3,005 reviews	Search Iberia flights
United Airlines	PriceFrom $578	Free Cancellation	Rating 7.4 8,997 reviews	Search United Airlines flights
British Airways	PriceFrom $623	Free Cancellation	Rating 6.7 7,494 reviews	Search British Airways flights
American Airlines	PriceFrom $635	Free Cancellation	Rating 7.2 11,036 reviews	Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from San Diego to Barcelona?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San Diego to Barcelona for you.

Can I find flights from San Diego to Barcelona with flexible booking policies on momondo?

All flight searches from San Diego to Barcelona on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from San Diego to Barcelona?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Barcelona from San Diego.

I’m not ready to book a flight from San Diego to Barcelona right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of San Diego to Barcelona flights. All you need is a valid email address and we will do the rest; it is that quick and easy.